Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 404-0001 found under Roller Linear Rotar by Broadcast Electronics Inc. The National Stock Number assigned to this part is 3120010837967, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 404-0001.